Help Center

Help Center

Shipping Destinations

  • We ship worldwide.

International Shipping

  • Please note that any applicable import taxes and duties are your responsibility.
  • Please make sure that your country allows the import of beef liver supplements.
  • The shipment is your responsibility once it leaves our warehouse.

Shipping Times

  • We ship out new orders within 48 hours (but often on the same day) using the shipping service you chose during checkout. 
  • Shipping time varies depending on location, shipment method and other factors. Most domestic orders arrive within 2-3 business days once the order has been shipped.
  • During the holiday season, you might experience longer than usual handling and shipping times.

You can select your preferred payment method at checkout.

  • We accept secure payments for both local and international customers via credit cards, debit cards and Apple Pay.

Note that an additional exchange fee may apply if your currency is something other than U.S. dollars.

Your 100% satisfaction is important to us. We accept returns for a full refund or replacement on any supplements purchased within the last 30 days — even if the product has been opened. Apparel and other merchandise can only be returned if it hasn't been used and has all the tags attached.

Our return process is simple and designed for ease of use. Just follow the steps below to return your order for a full refund.

  1. Fill out this contact form.
  2. Send the product back to us (we pay for a domestic return shipping label) .
  3. Once we receive the product, we'll issue a refund 

Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items Unfortunately, we cannot accept returns on sale items or gift cards.

Return Address

MK Supplements2460 Crabapple Road, Suite 202 #120Alpharetta GA 30004USA

Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

The best way to cancel an order is to contact us.

If your order has already shipped, don't worry! We can email you a return shipping label so you'll still receive a full refund (and we'll pay for the return shipping).

Also, you can always just shoot us a direct email at

International taxes might be applied to your order, depending on your country's tax policy.

Customs duty is calculated as a percentage of the customs value of the goods. The percentage or rate varies depending on the type of goods. You can check the tariff applicable in the TARIC database for the EU and the Import calculator for the USA.

The customs value is made up of:

  • the price paid for the goods
  • the insurance cost
  • the shipping cost